Senior Network & Infrastructure Architect

Kredivo Group; Jakarta Pusat; On-site; IDR 320,000,000 - 540,000,000; Full time

Job summary

Kredivo Group is seeking a Senior IT Infrastructure Specialist Network to design, implement, and manage medium-to-large scale network infrastructure across multiple offices. This senior IC role emphasizes deep technical execution, reliability, and security while mentoring junior team members.

The ideal candidate will manage routing, switching, wireless, QoS, and network security measures, collaborate with security for audits, and provide technical RCA and reports.

Qualifications

• Bachelor's or Master's degree in IT, Computer Science, Engineering, or a related field.
• 5–7 years of experience managing medium to large scale office networks across multiple sites.
• Deep mastery of network stack, routing (BGP/OSPF), switching (VLAN/STP/LAG), wireless networking, and QoS.
• Experience configuring firewalls and implementing network security measures (firewall policies, IPsec/SSL VPN, IDS/IPS, segmentation, 802.1X/RADIUS).
• Hands-on experience with Cisco, UniFi, and Fortigate devices covering firewalls and network equipment.
• Ability to work independently and translate technical requirements into detailed implementations.
• Strong problem-solving, analytical, and report-writing skills including Cost-Benefit Analysis and RCA.
• Effective communication in English and Bahasa Indonesia.
• Willing to travel to support regional office sites (SE Asia preferred).

Responsibilities

• Design, implement, and maintain brand-agnostic network infrastructure (switches, firewalls, VPN gateways).
• Run daily office network operations: device administration, configuration, monitoring, incident management, documentation.
• Own technical responsibility for network components and configurations for reliability and security.
• Configure and optimize routing, switching, wireless, and QoS.
• Collaborate with security team to enforce network security measures and audits.
• Perform RCA on network incidents and produce technical reports with recommendations.
• Propose network design improvements to support growth and performance.
• Support development and maintenance of network monitoring and performance reporting platform.
• Serve as a mentor for junior team members in the network domain.
• Collaborate with peering teams to align technical initiatives.

Skills

Network design

Routing protocols (BGP/OSPF)

Switching (VLAN/STP/LAG)

Wireless networking

QoS management

Firewall configuration

VPN (IPsec/SSL)

Network security

Network monitoring (SNMP/NetFlow)

Cisco devices

UniFi devices

Fortigate devices

RCA

Cost-Benefit Analysis

Technical reporting

English communication

Bahasa Indonesia communication

Willingness to travel

Education

Bachelor's degree in IT/CS/Engineering

Tools

Cisco IOS

UniFi

Fortigate

Job description

Kredivo Group is seeking a Senior IT Infrastructure Specialist Network to design, implement, and manage medium-to-large scale network infrastructure across multiple offices. This senior IC role emphasizes deep technical execution, reliability, and security while mentoring junior team members.

The ideal candidate will manage routing, switching, wireless, QoS, and network security measures, collaborate with security for audits, and provide technical RCA and reports.